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* The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries.
* Our support has moved to https://forums.freertos.org.
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FreeRTOS is a market-leading real-time operating system (RTOS) for microcontrollers and small microprocessors. Distributed freely under the MIT open source license, FreeRTOS includes a kernel and a growing set of libraries suitable for use across all industry sectors. Visit https://www.freertos.org for more information and other download options.

Note about support/discussions forum:
The FreeRTOS support forum has moved to https://forums.freertos.org. Please update your bookmarks and create new posts in the appropriate category in the new community forums.

Features

  • Tiny (5-10kb ROM), power-saving kernel
  • Support for 40+ architectures
  • Truely free MIT license
  • Optional commercial licensing and support available
  • Variety of modular libraries included
  • Secure and tested IoT reference integrations

Project Samples

Project Activity

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